Across
- 1. proteins that speed up chemical reactions
- 4. The unit of heredity that carries information for a particular trait
- 5. The release of water vapour from the aerial parts of a plants
- 6. A process by which large molecules are broken down into smaller ones with the addition of water
- 7. The light-sensitive layer at the back of the eye
- 10. The movement of water across a selectively permeable membrane
- 11. The process by which cells engulf and ingest particles
- 12. The regulation and maintenance of a stable internal environment in an organism
Down
- 2. The removal of metabolic waste products from the body
- 3. Chemical messengers that regulate various physiological processes
- 6. The natural environment where an organism lives
- 8. The process of cell division resulting in two identical daughter cells
- 9. Wave-like muscle contractions that move food through the digestive system